Perception of static and dynamic acoustic cues to place of articulation in initial stop consonants

Kewley‐Port, Diane; Pisoni, David B.; Studdert‐Kennedy, Michael

doi:10.1121/1.389402

Cited by 109 publications

(52 citation statements)

References 25 publications

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“…Our interpretation of these results is that the relative intensity of the plosive burst and its relationship to the onset of sonnerance are the primary contributors to correct identification. This is in contrast to previous work which emphasized the shape and spectrum of the burst along with the glide of the formant transition following the burst (Kewley-Port et al, 1983;Stevens and Blumstein, 1978).…”

Section: Introductioncontrasting

confidence: 54%

Perceptual effects of plosive feature modification

Kapoor

Allen

2012

The Journal of the Acoustical Society of America

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In the 1970-1980's, a number of papers explored the role of the transitional and burst features in consonant-vowel context. These papers left unresolved the relative importance of these two acoustic cues. This research takes advantage of refined signal processing methods, allowing for the visualization and modification of acoustic details. This experiment explores the impact of modifying the strength of the acoustic burst feature on the recognition scores P c (SNR) (function of the signal-to-noise ratio), for four plosive sounds /ta, ka, da, ga/. These results show high correlations between the relative burst intensity and the scores P c (SNR). Based on this correlation, one must conclude that these bursts are the primary acoustic cues used for the identification of these four consonants. This is in contrast to previous experiments, which used less precise methods to manipulate speech, and observe complex relationships between the scores, bursts and transition cues. In cases where the burst feature is removed entirely, it is shown that naturally existing conflicting acoustic features dominate the score. These observations seem directly inconsistent with transition cues playing a role: if the transition cues were important, they would dominate over low-level conflicting burst cues. These limited results arguably rule out the concept of redundant cues.

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Section: Introductioncontrasting

confidence: 54%

Perceptual effects of plosive feature modification

Kapoor

Allen

2012

The Journal of the Acoustical Society of America

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“…That is, perceptually important differences are ordinal not absolute. Similar proposals that the recognition of place of articulation depends on whether energy is continuous between consonant and vowel within some frequency range have been made by Kewley-Port, Pisoni, and Studdert-Kennedy (1983) and Lahiri, Gewirth, and Blumstein (1984).…”

Section: Low Frequency Spectral Continuity Not Low Frequency Energymentioning

confidence: 84%

On the internal perceptual structure of distinctive features: The [voice] contrast

Kingston

Diehl

Kirk

et al. 2008

Journal of Phonetics

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Several fixed classification experiments test the hypothesis that F 1 , f 0 , and closure voicing covary between intervocalic stops contrasting for [voice] because they integrate perceptually. The perceptual property produced by the integration of these acoustic properties was at first predicted to be the presence of low frequency energy in the vicinity of the stop, which is considerable in [+voice] stops but slight in [−voice] stops. Both F 1 and f 0 at the edges of vowels flanking the stop were found to integrate perceptually with the continuation of voicing into the stop, but not to integrate with one another. These results indicate that the perceptually relevant property is instead the continuation of low frequency energy across the vowel-consonant border and not merely the amount of low frequency energy present near the stop. Other experiments establish that neither F 1 nor f 0 at vowel edge integrate perceptually with closure duration, which shows that only auditorily similar properties integrate and not any two properties that reliably covary. Finally, the experiments show that these acoustic properties integrate perceptually (or fail to) in the same way in non-speech analogues as in the original speech. This result indicates that integration arises from the auditory similarity of certain acoustic correlates of the [voice] contrast.

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“…The period of the 50-Hz stimuli is 20 ms. The duration of a typical consonant-vowel transition is about 40 ms (Kewley-Port et al 1983). The better the temporal resolution is, the better the listener will be able to hear the trajectory of the transition.…”

Section: Discussionmentioning

confidence: 99%

“…By measuring Schroeder-phase discrimination for different fundamental frequencies, we can evaluate the ability of CI users to differentiate a rising sweep from a falling sweep as a function of the speed of the sweep. Such rapid changes in frequency occur in consonantvowel transitions in speech (Kewley-Port et al 1983), so some correlation between speech understanding and Schroeder-phase discrimination would be expected. Furthermore, if future processing schemes encode TFS explicitly, a Schroeder-phase task could be used to measure the extent to which the processing is successful.…”

Section: Introductionmentioning

confidence: 99%

Discrimination of Schroeder-Phase Harmonic Complexes by Normal-Hearing and Cochlear-Implant Listeners

Drennan

Longnion

Ruffin

et al. 2007

JARO

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The temporal fine structure (TFS) of sound contributes significantly to the perception of music and speech in noise. The evaluation of new strategies to improve TFS delivery in cochlear implants (CIs) relies upon the assessment of fine structure encoding. Most modern CI sound processing schemes do not encode withinchannel TFS per se, but some TFS information is delivered through temporal envelope cues across multiple channels. Positive and negative Schroeder-phase harmonic complexes differ primarily in acoustic TFS and provide a potential test of TFS discrimination ability in CI users for current and future processing strategies. The ability to discriminate Schroeder-phase stimuli was evaluated in 24 CI users and 7 normal-hearing listeners at four fundamental frequencies: 50, 100, 200, and 400 Hz. The dependent variables were percent correct at each fundamental frequency, average score across all fundamental frequencies, and a maximum-likelihoodpredicted threshold fundamental frequency for 75% correct. CI listeners scored better than chance for all fundamental frequencies tested. The 50-Hz, average, and predicted threshold scores correlated significantly with consonant-nucleus-consonant word scores. The 200-Hz score correlated with a measure of speech perception in speech-shaped noise. Pitch-direction sensitivity is predicted jointly by the 400-Hz Schroeder score and a spectral ripple discrimination task. The results demonstrate that the Schroeder test is a potentially useful measure of clinically relevant temporal processing abilities in CI users.

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Perception of static and dynamic acoustic cues to place of articulation in initial stop consonants

Cited by 109 publications

References 25 publications

Perceptual effects of plosive feature modification

Perceptual effects of plosive feature modification

On the internal perceptual structure of distinctive features: The [voice] contrast

Discrimination of Schroeder-Phase Harmonic Complexes by Normal-Hearing and Cochlear-Implant Listeners

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